National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.

Overcast

48°F

9°C

Humidity 93%
Wind Speed SSE 5 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 46°F (8°C)
Visibility 9.00 mi
Wind Chill46°F (8°C)
Last update 12 Jan 06:35 AM PST
Extended Forecast for

Renton Municipal WA

  • Today

    Today: A 50 percent chance of rain, mainly before 4pm. Cloudy, with a high near 54. South wind 7 to 9 mph.

    High: 54 °F

    Chance Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. South southeast wind 3 to 7 mph.

    Low: 47 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog between midnight and 1am. Otherwise, mostly cloudy, with a low around 42.

    Low: 42 °F

    Patchy Fog

  • Thursday

    Thursday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of rain, mainly before 4pm. Cloudy, with a high near 54. South wind 7 to 9 mph.
Tonight
Mostly cloudy, with a low around 47. South southeast wind 3 to 7 mph.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 57. Calm wind.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Wednesday
Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 52. Calm wind.
Wednesday Night
Patchy fog between midnight and 1am. Otherwise, mostly cloudy, with a low around 42.
Thursday
Partly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Mostly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Renton Municipal WA
 47.49°N 122.22°W (Elev. 82 ft)
Last Update:
1:25 am PST Jan 12, 2026
Forecast Valid:
6am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation